Gem County Power Outage History
2015–2025 · Idaho
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 7, 2022 | 1 hrs | 7,530 (84%) | Heavy Snow |
| Oct 6, 2020 | 2 hrs | 7,212 (81%) | Unnamed event |
| Dec 25, 2025 | 2 hrs | 6,949 (78%) | Unnamed event |
| Dec 25, 2016 | 1 hrs | 6,754 (76%) | Heavy Snow |
| Feb 20, 2017 | 1 hrs | 6,753 (76%) | Unnamed event |
Over the 11 years from 2015 to 2025, Gem County recorded 301 distinct power outage events, averaging 1.8 hours per event.
The single worst outage on record in Gem County started April 7, 2022 (Heavy Snow), lasting 1 hours and leaving up to 7,530 customers without power (84% of the county) at its peak.
June has historically been the worst month for outages in Gem County, with 40 events recorded during that month across the dataset.
Based on this history, Gem County earns a Reliability Grade of B, placing it in the 72nd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Gem County's outage profile
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Outage-prep kit
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Similar counties in Idaho
Counties with the closest reliability grade and national percentile to Gem County.
| County | Grade | National percentile |
|---|---|---|
| Madison County | B | 72nd |
| Lewis County | B | 73rd |
| Washington County | B | 68th |
| Teton County | B | 78th |
| Jefferson County | B | 64th |
FAQ
How often does power go out in Gem County?
Between 2015 and 2025, Gem County recorded 301 outage events, averaging 1.8 hours each.
What is Gem County's reliability grade?
Gem County has a Reliability Grade of B, in the 72nd national percentile.
What was the worst power outage in Gem County?
The worst outage on record started April 7, 2022 (Heavy Snow), lasting 1 hours and affecting up to 7,530 customers.